<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<%session.invalidate(); %>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h2>登录页面</h2>
<form action="${pageContext.request.contextPath }/user/userlogin.do" method="post">
    username:<input type="text" name = "username" ><p> 
    password:<input type="password" name = "password" ><p>
    <input type="submit" value="登录"> 
</form>
</body>
</html>